5:15 a.m.
I my case, I used the standard SQL creation table script which comes with the jBpm
distribution. I also changed the hibernate dialect to Oracle9Dialect.
The problems manifests itself as follows. Suppose you have a musicians-jndi.properties
file that you included in your process archive, at the root level. In an action, trying to
call an external EJB service, you would first try to load the jndi properties as follows:
InputStream resourceAsStream =
this.getClass().getClassLoader().getResourceAsStream("musicians-jndi.properties");
The exception is :
| 12:03:41,702 ERROR [OnErrorAction] caught exception
| java.lang.RuntimeException: org.jbpm.JbpmException: couldn't get value for file
'musicians-jndi.properties'
| at
fr.bnf.entrychain.jbpm.actions.CallServiceDelegate.execute(CallServiceDelegate.java:65)
| at
fr.bnf.entrychain.jbpm.actions.AbstractEntryChainAction.execute(AbstractEntryChainAction.java:14)
| at org.jbpm.graph.def.Action.execute(Action.java:122)
| at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
| at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
| at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
| at java.lang.reflect.Method.invoke(Method.java:585)
| at
org.hibernate.proxy.pojo.cglib.CGLIBLazyInitializer.invoke(CGLIBLazyInitializer.java:185)
| at
org.jbpm.graph.def.Action$$EnhancerByCGLIB$$aa93b1d8.execute(<generated>)
| at org.jbpm.graph.def.Node.execute(Node.java:338)
| at org.jbpm.graph.def.Node.enter(Node.java:318)
| at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
| at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
| at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
| at java.lang.reflect.Method.invoke(Method.java:585)
| at
org.hibernate.proxy.pojo.cglib.CGLIBLazyInitializer.invoke(CGLIBLazyInitializer.java:185)
| at
org.jbpm.graph.def.Node$$EnhancerByCGLIB$$b129b87c.enter(<generated>)
| at org.jbpm.graph.def.Transition.take(Transition.java:151)
| at org.jbpm.graph.def.Node.leave(Node.java:393)
| at org.jbpm.graph.node.StartState.leave(StartState.java:70)
| at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
| at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
| at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
| at java.lang.reflect.Method.invoke(Method.java:585)
| at
org.hibernate.proxy.pojo.cglib.CGLIBLazyInitializer.invoke(CGLIBLazyInitializer.java:185)
| at
org.jbpm.graph.def.Node$$EnhancerByCGLIB$$b129b87c.leave(<generated>)
| at org.jbpm.graph.exe.Token.signal(Token.java:194)
| at org.jbpm.graph.exe.Token.signal(Token.java:139)
| at org.jbpm.graph.exe.ProcessInstance.signal(ProcessInstance.java:270)
| at
org.jbpm.command.StartProcessInstanceCommand.execute(StartProcessInstanceCommand.java:32)
| at org.jbpm.ejb.impl.CommandServiceBean.execute(CommandServiceBean.java:90)
| at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
| at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
| at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
| at java.lang.reflect.Method.invoke(Method.java:585)
| at org.jboss.invocation.Invocation.performCall(Invocation.java:359)
| at
org.jboss.ejb.StatelessSessionContainer$ContainerInterceptor.invoke(StatelessSessionContainer.java:237)
| at
org.jboss.resource.connectionmanager.CachedConnectionInterceptor.invoke(CachedConnectionInterceptor.java:158)
|
| at
org.jboss.ejb.plugins.StatelessSessionInstanceInterceptor.invoke(StatelessSessionInstanceInterceptor.java:169
| )
| at
org.jboss.ejb.plugins.CallValidationInterceptor.invoke(CallValidationInterceptor.java:63)
| at
org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterceptor.java:121)
| at
org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxInterceptorCMT.java:350)
| at org.jboss.ejb.plugins.TxInterceptorCMT.invoke(TxInterceptorCMT.java:181)
| at
org.jboss.ejb.plugins.SecurityInterceptor.invoke(SecurityInterceptor.java:168)
| at org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:205)
| at
org.jboss.ejb.plugins.ProxyFactoryFinderInterceptor.invoke(ProxyFactoryFinderInterceptor.java:136)
| at org.jboss.ejb.SessionContainer.internalInvoke(SessionContainer.java:648)
| at org.jboss.ejb.Container.invoke(Container.java:954)
| at
org.jboss.ejb.plugins.local.BaseLocalProxyFactory.invoke(BaseLocalProxyFactory.java:430)
| at
org.jboss.ejb.plugins.local.StatelessSessionProxy.invoke(StatelessSessionProxy.java:103)
| at $Proxy68.execute(Unknown Source)
| at
org.jbpm.ejb.impl.CommandListenerBean.onMessage(CommandListenerBean.java:71)
| at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
| at
sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
| at
sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
| at java.lang.reflect.Method.invoke(Method.java:585)
| at org.jboss.invocation.Invocation.performCall(Invocation.java:359)
| at
org.jboss.ejb.MessageDrivenContainer$ContainerInterceptor.invoke(MessageDrivenContainer.java:495)
| at
org.jboss.resource.connectionmanager.CachedConnectionInterceptor.invoke(CachedConnectionInterceptor.java:158)
|
| at
org.jboss.ejb.plugins.MessageDrivenInstanceInterceptor.invoke(MessageDrivenInstanceInterceptor.java:116)
| at
org.jboss.ejb.plugins.CallValidationInterceptor.invoke(CallValidationInterceptor.java:63)
| at
org.jboss.ejb.plugins.AbstractTxInterceptor.invokeNext(AbstractTxInterceptor.java:121)
| at
org.jboss.ejb.plugins.TxInterceptorCMT.runWithTransactions(TxInterceptorCMT.java:350)
| at org.jboss.ejb.plugins.TxInterceptorCMT.invoke(TxInterceptorCMT.java:181)
| at
org.jboss.ejb.plugins.RunAsSecurityInterceptor.invoke(RunAsSecurityInterceptor.java:109)
| at org.jboss.ejb.plugins.LogInterceptor.invoke(LogInterceptor.java:205)
| at
org.jboss.ejb.plugins.ProxyFactoryFinderInterceptor.invoke(ProxyFactoryFinderInterceptor.java:136)
| at
org.jboss.ejb.MessageDrivenContainer.internalInvoke(MessageDrivenContainer.java:402)
| at org.jboss.ejb.Container.invoke(Container.java:954)
| at
org.jboss.ejb.plugins.jms.JMSContainerInvoker.invoke(JMSContainerInvoker.java:987)
| at
org.jboss.ejb.plugins.jms.JMSContainerInvoker$MessageListenerImpl.onMessage(JMSContainerInvoker.java:1287)
| at org.jboss.jms.asf.StdServerSession.onMessage(StdServerSession.java:266)
| at
org.jboss.mq.SpyMessageConsumer.sessionConsumerProcessMessage(SpyMessageConsumer.java:905)
| at org.jboss.mq.SpyMessageConsumer.addMessage(SpyMessageConsumer.java:170)
| at org.jboss.mq.SpySession.run(SpySession.java:323)
| at org.jboss.jms.asf.StdServerSession.run(StdServerSession.java:194)
| at
EDU.oswego.cs.dl.util.concurrent.PooledExecutor$Worker.run(PooledExecutor.java:743)
| at java.lang.Thread.run(Thread.java:595)
| Caused by: org.jbpm.JbpmException: couldn't get value for file
'musicians-jndi.properties'
| at org.jbpm.file.def.FileDefinition.getBytes(FileDefinition.java:196)
| at
org.jbpm.instantiation.ProcessClassLoader.getResourceAsStream(ProcessClassLoader.java:43)
| at
fr.bnf.entrychain.jbpm.actions.CallServiceDelegate.execute(CallServiceDelegate.java:29)
| ... 77 more
| Caused by: java.lang.NullPointerException
| at org.jbpm.file.def.FileDefinition.getBytesFromDb(FileDefinition.java:213)
| at org.jbpm.file.def.FileDefinition.getBytes(FileDefinition.java:193)
| ... 79 more
|
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